CN115652613B - Silver ion antibacterial fabric and production method thereof - Google Patents
Silver ion antibacterial fabric and production method thereof Download PDFInfo
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- CN115652613B CN115652613B CN202211316393.8A CN202211316393A CN115652613B CN 115652613 B CN115652613 B CN 115652613B CN 202211316393 A CN202211316393 A CN 202211316393A CN 115652613 B CN115652613 B CN 115652613B
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- 239000004744 fabric Substances 0.000 title claims abstract description 175
- 230000000844 anti-bacterial effect Effects 0.000 title claims abstract description 74
- FOIXSVOLVBLSDH-UHFFFAOYSA-N Silver ion Chemical compound [Ag+] FOIXSVOLVBLSDH-UHFFFAOYSA-N 0.000 title claims abstract description 43
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 25
- 238000003756 stirring Methods 0.000 claims abstract description 49
- 239000011259 mixed solution Substances 0.000 claims abstract description 47
- 238000001035 drying Methods 0.000 claims abstract description 37
- SQGYOTSLMSWVJD-UHFFFAOYSA-N silver(1+) nitrate Chemical compound [Ag+].[O-]N(=O)=O SQGYOTSLMSWVJD-UHFFFAOYSA-N 0.000 claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 16
- 238000003618 dip coating Methods 0.000 claims abstract description 14
- 239000000243 solution Substances 0.000 claims abstract description 14
- 229920000742 Cotton Polymers 0.000 claims abstract description 13
- 239000007864 aqueous solution Substances 0.000 claims abstract description 13
- 239000008367 deionised water Substances 0.000 claims abstract description 13
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 13
- 238000005096 rolling process Methods 0.000 claims abstract description 13
- 229910001961 silver nitrate Inorganic materials 0.000 claims abstract description 13
- 238000002156 mixing Methods 0.000 claims abstract description 12
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 9
- -1 polysiloxane Polymers 0.000 claims description 52
- 229920002153 Hydroxypropyl cellulose Polymers 0.000 claims description 36
- 235000010977 hydroxypropyl cellulose Nutrition 0.000 claims description 36
- 229920001296 polysiloxane Polymers 0.000 claims description 28
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 24
- FPCJKVGGYOAWIZ-UHFFFAOYSA-N butan-1-ol;titanium Chemical compound [Ti].CCCCO.CCCCO.CCCCO.CCCCO FPCJKVGGYOAWIZ-UHFFFAOYSA-N 0.000 claims description 24
- 239000004202 carbamide Substances 0.000 claims description 24
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 24
- 239000000194 fatty acid Substances 0.000 claims description 24
- 229930195729 fatty acid Natural products 0.000 claims description 24
- 238000010438 heat treatment Methods 0.000 claims description 24
- 239000001863 hydroxypropyl cellulose Substances 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 16
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 12
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 12
- 239000003599 detergent Substances 0.000 claims description 12
- 229910017604 nitric acid Inorganic materials 0.000 claims description 12
- 238000002360 preparation method Methods 0.000 claims description 12
- 230000001105 regulatory effect Effects 0.000 claims description 12
- 239000008149 soap solution Substances 0.000 claims description 12
- 238000005303 weighing Methods 0.000 claims description 12
- 238000004140 cleaning Methods 0.000 claims description 11
- 239000000203 mixture Substances 0.000 claims description 2
- 238000009940 knitting Methods 0.000 abstract 1
- 238000005406 washing Methods 0.000 abstract 1
- 230000000052 comparative effect Effects 0.000 description 9
- 238000005457 optimization Methods 0.000 description 6
- 239000004753 textile Substances 0.000 description 6
- 238000011068 loading method Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 239000003242 anti bacterial agent Substances 0.000 description 1
- 230000000845 anti-microbial effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 108010025899 gelatin film Proteins 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000013077 scoring method Methods 0.000 description 1
- 210000004243 sweat Anatomy 0.000 description 1
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- Chemical Or Physical Treatment Of Fibers (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
The invention discloses a production method of silver ion antibacterial fabric, which comprises the steps of knitting cotton fiber warps and wefts to form the fabric, soaping the knitted fabric, thoroughly washing the fabric with deionized water, and drying to obtain pretreated fabric; dip-coating antibacterial sol on the surface of the pretreated fabric; rolling the dip-coated pretreated fabric on a padder under the pressure of 2kg/cm 2 to remove excessive gel, and drying to obtain the silver ion antibacterial fabric; slowly adding silver nitrate aqueous solution into the mixed solution, continuously stirring until the solution system is sol-like, and placing the sol into a drying oven at 65-75 ℃ for concentrating for 8-12h to obtain concentrated sol; and adding an organic film forming agent into the concentrated sol, and mixing to prepare the gel. The silver ion antibacterial fabric and the production method thereof have the advantages that the softness and smoothness of the fabric are obviously improved; and the gloss of the fabric can be ensured.
Description
Technical Field
The invention relates to the technical field of antibacterial textiles, in particular to a silver ion antibacterial fabric and a production method thereof.
Background
As an indispensable functional article for human life, the textile is extremely easy to adsorb and pollute microorganisms due to the microporous structure of the textile, and favorable conditions are created for the propagation and breeding of microorganisms under certain special conditions due to proper temperature and humidity, secreted grease, sweat and the like on the surface of a human body. Textile products are often required to possess antimicrobial properties; at present, the method for preparing the antibacterial textile is to finish the silver ion antibacterial agent on the fabric in a dip-coating mode, and the finished antibacterial fabric obviously improves the antibacterial durability of the fabric, but the softness and smoothness of the finished silver ion antibacterial fabric are reduced, so that the comfort level of the fabric during wearing is affected; and the waterproof performance of the fabric cannot be guaranteed.
Disclosure of Invention
The invention mainly aims to provide a silver ion antibacterial fabric and a production method thereof, which can effectively solve the problem of poor hand feeling of the antibacterial fabric.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
The production method of the silver ion antibacterial fabric comprises the following steps:
s1, preparing a pretreated fabric; cotton fiber warps and wefts are adopted to form a fabric, the fabric is soaped, and then thoroughly washed by deionized water, and dried, so that a pretreated fabric is obtained;
Step S2, dip-coating antibacterial sol on the surface of the pretreated fabric;
step S3, rolling the dip-coated pretreated fabric on a padder at a pressure of 2kg/cm 2 to remove excessive gel, and drying to obtain the silver ion antibacterial fabric;
The antibacterial sol is prepared by slowly adding silver nitrate aqueous solution into the mixed solution, continuously stirring until a solution system is sol-like, placing the sol into a drying oven at 65-75 ℃ for concentration for 8-12 hours to obtain concentrated sol, and then adding an organic film forming agent into the concentrated sol for mixing.
As a further optimization scheme of the invention, the preparation method of the mixed solution comprises the following steps: weighing urea according to the mass ratio of 13:10, dissolving the urea into absolute ethyl alcohol, uniformly stirring for 1-2h, slowly adding butyl titanate, gamma-trifluoropropyl methyl polysiloxane and fatty acid ester, regulating the pH to 3-4 by using 5wt% of dilute nitric acid, and continuously stirring for 20min to obtain a mixed solution.
As a further optimization scheme of the invention, the mixture solution comprises 20-50g/L of gamma-trifluoropropyl methyl polysiloxane, 5-25g/L of fatty acid ester and 100g/L of butyl titanate.
As a further optimization scheme of the invention, the organic film forming agent is hydroxypropyl cellulose HPC.
As a further optimized scheme of the invention, when the pressure of the upper roller of the padder in the step S3 is 2kg/cm 2, the loading time is 3min.
As a further optimization scheme of the invention, the drying heat treatment temperature in the step S3 is 125 ℃, and the heat treatment time is 25min.
As a further optimization scheme of the invention, the method for soaping the knitted fabric in the step S1 is to put the knitted fabric into soap solution with the temperature of 40 ℃ and the detergent concentration of 0.2% according to the bath ratio of 1:30, and stir and wash for 20min.
As a further optimization scheme of the invention, the addition amount of the organic film forming agent is 0.5-10% of the weight of the concentrated sol.
The silver ion antibacterial fabric is produced by the production method.
Compared with the prior art, the invention has the following beneficial effects:
1. According to the invention, the gamma-trifluoropropyl methyl polysiloxane is added into the mixed solution, so that the softness and smoothness of the fabric are improved by utilizing the characteristics of small surface tension and low refractive index of the gamma-trifluoropropyl methyl polysiloxane; and the reasonable proportion of the gamma-trifluoro propyl methyl polysiloxane and the fatty acid ester can enable the gamma-trifluoro propyl methyl polysiloxane and the fatty acid ester to realize the blending finishing of the fabric, and has obvious improvement effect on the softness and smoothness of the fabric.
2. According to the invention, the organic film forming agent is added into the concentrated antibacterial sol, so that a stable gel film structure can be formed on the surface of the fiber rapidly, the problem of poor water resistance of the fabric due to the addition of the fatty acid ester and the gamma-trifluoropropyl methyl polysiloxane is solved while the durability of the antibacterial fabric is ensured, the overall glossiness and the water resistance of the fabric are improved obviously, and the glossiness of the fabric is ensured.
Detailed Description
The following detailed description of the application is provided to illustrate the application and should not be construed as limiting the scope of the application since it is intended that the following detailed description is given for the purpose of illustration only, and that certain non-essential modifications and adaptations of the application may occur to those skilled in the art in light of the foregoing disclosure.
Example 1
The production method of the silver ion antibacterial fabric comprises the following steps:
S1, preparing a pretreated fabric; cotton fiber warps and wefts are adopted to form a fabric, the fabric is soaped, and then thoroughly washed by deionized water, and dried, so that a pretreated fabric is obtained; the method for soaping the knitted fabric comprises the steps of placing the knitted fabric in soap solution with the temperature of 40 ℃ and the detergent concentration of 0.2% according to the bath ratio of 1:30, stirring and cleaning for 20min;
step S2, dip-coating antibacterial sol on the surface of the pretreated fabric;
Step S3, rolling the dip-coated pretreated fabric on a padder for 3min under the pressure of 2kg/cm 2, removing redundant gel, and drying to obtain the silver ion antibacterial fabric, wherein the drying heat treatment temperature is 125 ℃ and the heat treatment time is 25min;
The antibacterial sol is prepared by slowly adding a silver nitrate aqueous solution into a mixed solution, continuously stirring until a solution system is sol-like, placing the sol in a drying oven at 65-75 ℃ for concentration for 10 hours to obtain concentrated sol, and then adding hydroxypropyl cellulose HPC into the concentrated sol for mixing, wherein the adding amount of the hydroxypropyl cellulose HPC is 0.5% of the weight of the concentrated sol, and the preparation method of the mixed solution comprises the following steps: according to the mass ratio of 13:10, weighing urea, dissolving the urea into absolute ethyl alcohol, uniformly stirring for 1h, slowly adding butyl titanate, gamma-trifluoropropyl methyl polysiloxane and fatty acid ester, regulating the pH to 4 by using 5wt% of dilute nitric acid, and continuously stirring for 20min to obtain a mixed solution, wherein the component ratio of the mixed solution is 20g/L of gamma-trifluoropropyl methyl polysiloxane, the fatty acid ester is 5g/L, and the butyl titanate is 100g/L.
Example 2
The production method of the silver ion antibacterial fabric comprises the following steps:
S1, preparing a pretreated fabric; cotton fiber warps and wefts are adopted to form a fabric, the fabric is soaped, and then thoroughly washed by deionized water, and dried, so that a pretreated fabric is obtained; the method for soaping the knitted fabric comprises the steps of placing the knitted fabric in soap solution with the temperature of 40 ℃ and the detergent concentration of 0.2% according to the bath ratio of 1:30, stirring and cleaning for 20min;
step S2, dip-coating antibacterial sol on the surface of the pretreated fabric;
Step S3, loading the dip-coated pretreated fabric on a padder for 3min under the pressure of 2kg/cm < 2 >, rolling off superfluous gel, and drying to obtain the silver ion antibacterial fabric, wherein the drying heat treatment temperature is 125 ℃, and the heat treatment time is 25min;
The antibacterial sol is prepared by slowly adding a silver nitrate aqueous solution into a mixed solution, continuously stirring until a solution system is sol-like, placing the sol in a drying oven at 65-75 ℃ for concentration for 10 hours to obtain concentrated sol, and then adding hydroxypropyl cellulose HPC into the concentrated sol for mixing, wherein the adding amount of the hydroxypropyl cellulose HPC is 0.5% of the weight of the concentrated sol, and the preparation method of the mixed solution comprises the following steps: according to the mass ratio of 13:10, weighing urea, dissolving the urea into absolute ethyl alcohol, uniformly stirring for 1h, slowly adding butyl titanate, gamma-trifluoropropyl methyl polysiloxane and fatty acid ester, regulating the pH to 4 by using 5wt% of dilute nitric acid, and continuously stirring for 20min to obtain a mixed solution, wherein the component ratio of the mixed solution is 30g/L of gamma-trifluoropropyl methyl polysiloxane, the fatty acid ester is 15g/L, and the butyl titanate is 100g/L.
Example 3
The production method of the silver ion antibacterial fabric comprises the following steps:
S1, preparing a pretreated fabric; cotton fiber warps and wefts are adopted to form a fabric, the fabric is soaped, and then thoroughly washed by deionized water, and dried, so that a pretreated fabric is obtained; the method for soaping the knitted fabric comprises the steps of placing the knitted fabric in soap solution with the temperature of 40 ℃ and the detergent concentration of 0.2% according to the bath ratio of 1:30, stirring and cleaning for 20min;
step S2, dip-coating antibacterial sol on the surface of the pretreated fabric;
Step S3, rolling the dip-coated pretreated fabric on a padder for 3min under the pressure of 2kg/cm 2, removing redundant gel, and drying to obtain the silver ion antibacterial fabric, wherein the drying heat treatment temperature is 125 ℃ and the heat treatment time is 25min;
The antibacterial sol is prepared by slowly adding a silver nitrate aqueous solution into a mixed solution, continuously stirring until a solution system is sol-like, placing the sol in a drying oven at 65-75 ℃ for concentration for 10 hours to obtain concentrated sol, and then adding hydroxypropyl cellulose HPC into the concentrated sol for mixing, wherein the adding amount of the hydroxypropyl cellulose HPC is 0.5% of the weight of the concentrated sol, and the preparation method of the mixed solution comprises the following steps: according to the mass ratio of 13:10, weighing urea, dissolving the urea into absolute ethyl alcohol, uniformly stirring for 1h, slowly adding butyl titanate, gamma-trifluoropropyl methyl polysiloxane and fatty acid ester, regulating the pH to 4 by using 5wt% of dilute nitric acid, and continuously stirring for 20min to obtain a mixed solution, wherein the component ratio of the mixed solution is 50g/L of gamma-trifluoropropyl methyl polysiloxane, the fatty acid ester is 25g/L, and the butyl titanate is 100g/L.
Example 4
The production method of the silver ion antibacterial fabric comprises the following steps:
S1, preparing a pretreated fabric; cotton fiber warps and wefts are adopted to form a fabric, the fabric is soaped, and then thoroughly washed by deionized water, and dried, so that a pretreated fabric is obtained; the method for soaping the knitted fabric comprises the steps of placing the knitted fabric in soap solution with the temperature of 40 ℃ and the detergent concentration of 0.2% according to the bath ratio of 1:30, stirring and cleaning for 20min;
step S2, dip-coating antibacterial sol on the surface of the pretreated fabric;
Step S3, rolling the dip-coated pretreated fabric on a padder for 3min under the pressure of 2kg/cm 2, removing redundant gel, and drying to obtain the silver ion antibacterial fabric, wherein the drying heat treatment temperature is 125 ℃ and the heat treatment time is 25min;
the antibacterial sol is prepared by slowly adding a silver nitrate aqueous solution into a mixed solution, continuously stirring until a solution system is sol-like, placing the sol in a drying oven at 65-75 ℃ for concentration for 10 hours to obtain concentrated sol, and then adding hydroxypropyl cellulose HPC into the concentrated sol for mixing, wherein the adding amount of the hydroxypropyl cellulose HPC is 5% of the weight of the concentrated sol, and the preparation method of the mixed solution comprises the following steps: according to the mass ratio of 13:10, weighing urea, dissolving the urea into absolute ethyl alcohol, uniformly stirring for 1h, slowly adding butyl titanate, gamma-trifluoropropyl methyl polysiloxane and fatty acid ester, regulating the pH to 4 by using 5wt% of dilute nitric acid, and continuously stirring for 20min to obtain a mixed solution, wherein the component ratio of the mixed solution is 50g/L of gamma-trifluoropropyl methyl polysiloxane, the fatty acid ester is 25g/L, and the butyl titanate is 100g/L.
Example 5
The production method of the silver ion antibacterial fabric comprises the following steps:
S1, preparing a pretreated fabric; cotton fiber warps and wefts are adopted to form a fabric, the fabric is soaped, and then thoroughly washed by deionized water, and dried, so that a pretreated fabric is obtained; the method for soaping the knitted fabric comprises the steps of placing the knitted fabric in soap solution with the temperature of 40 ℃ and the detergent concentration of 0.2% according to the bath ratio of 1:30, stirring and cleaning for 20min;
step S2, dip-coating antibacterial sol on the surface of the pretreated fabric;
Step S3, rolling the dip-coated pretreated fabric on a padder for 3min under the pressure of 2kg/cm 2, removing redundant gel, and drying to obtain the silver ion antibacterial fabric, wherein the drying heat treatment temperature is 125 ℃ and the heat treatment time is 25min;
The antibacterial sol is prepared by slowly adding a silver nitrate aqueous solution into a mixed solution, continuously stirring until a solution system is sol-like, placing the sol in a 65-75 ℃ oven for concentration for 10 hours to obtain concentrated sol, and then adding hydroxypropyl cellulose HPC into the concentrated sol for mixing, wherein the adding amount of the hydroxypropyl cellulose HPC is 10% of the weight of the concentrated sol, and the preparation method of the mixed solution comprises the following steps: according to the mass ratio of 13:10, weighing urea, dissolving the urea into absolute ethyl alcohol, uniformly stirring for 1h, slowly adding butyl titanate, gamma-trifluoropropyl methyl polysiloxane and fatty acid ester, regulating the pH to 4 by using 5wt% of dilute nitric acid, and continuously stirring for 20min to obtain a mixed solution, wherein the component ratio of the mixed solution is 50g/L of gamma-trifluoropropyl methyl polysiloxane, the fatty acid ester is 25g/L, and the butyl titanate is 100g/L.
Comparative example 1
The production method of the silver ion antibacterial fabric comprises the following steps:
S1, preparing a pretreated fabric; cotton fiber warps and wefts are adopted to form a fabric, the fabric is soaped, and then thoroughly washed by deionized water, and dried, so that a pretreated fabric is obtained; the method for soaping the knitted fabric comprises the steps of placing the knitted fabric in soap solution with the temperature of 40 ℃ and the detergent concentration of 0.2% according to the bath ratio of 1:30, stirring and cleaning for 20min;
step S2, dip-coating antibacterial sol on the surface of the pretreated fabric;
Step S3, rolling the dip-coated pretreated fabric on a padder for 3min under the pressure of 2kg/cm 2, removing redundant gel, and drying to obtain the silver ion antibacterial fabric, wherein the drying heat treatment temperature is 125 ℃ and the heat treatment time is 25min;
the antibacterial sol is prepared by slowly adding a silver nitrate aqueous solution into a mixed solution, continuously stirring until a solution system is sol-like, placing the sol in a drying oven at 65-75 ℃ for concentration for 10 hours to obtain concentrated sol, and then adding hydroxypropyl cellulose HPC into the concentrated sol for mixing, wherein the adding amount of the hydroxypropyl cellulose HPC is 5% of the weight of the concentrated sol, and the preparation method of the mixed solution comprises the following steps: weighing urea according to a mass ratio of 13:10, dissolving the urea into absolute ethyl alcohol, uniformly stirring for 1h, slowly adding butyl titanate and gamma-trifluoropropyl methyl polysiloxane, regulating the pH to 4 by using 5wt% of dilute nitric acid, and continuously stirring for 20min to obtain a mixed solution, wherein the component ratio of the mixed solution is 75g/L of gamma-trifluoropropyl methyl polysiloxane and 100g/L of butyl titanate.
Comparative example 2
The production method of the silver ion antibacterial fabric comprises the following steps:
S1, preparing a pretreated fabric; cotton fiber warps and wefts are adopted to form a fabric, the fabric is soaped, and then thoroughly washed by deionized water, and dried, so that a pretreated fabric is obtained; the method for soaping the knitted fabric comprises the steps of placing the knitted fabric in soap solution with the temperature of 40 ℃ and the detergent concentration of 0.2% according to the bath ratio of 1:30, stirring and cleaning for 20min;
step S2, dip-coating antibacterial sol on the surface of the pretreated fabric;
Step S3, rolling the dip-coated pretreated fabric on a padder for 3min under the pressure of 2kg/cm 2, removing redundant gel, and drying to obtain the silver ion antibacterial fabric, wherein the drying heat treatment temperature is 125 ℃ and the heat treatment time is 25min;
The antibacterial sol is prepared by slowly adding a silver nitrate aqueous solution into a mixed solution, continuously stirring until a solution system is sol-like, placing the sol in a drying oven at 65-75 ℃ for concentration for 10 hours to obtain concentrated sol, and then adding hydroxypropyl cellulose HPC into the concentrated sol for mixing, wherein the adding amount of the hydroxypropyl cellulose HPC is 5% of the weight of the concentrated sol, and the preparation method of the mixed solution comprises the following steps: weighing urea according to a mass ratio of 13:10, dissolving the urea into absolute ethyl alcohol, uniformly stirring for 1h, slowly adding butyl titanate and fatty acid ester, regulating the pH to 4 by using 5wt% of dilute nitric acid, and continuously stirring for 20min to obtain a mixed solution, wherein the component ratio of the mixed solution is 75g/L of gamma-trifluoropropyl methyl polysiloxane and 100g/L of butyl titanate.
Comparative example 3
The production method of the silver ion antibacterial fabric comprises the following steps:
S1, preparing a pretreated fabric; cotton fiber warps and wefts are adopted to form a fabric, the fabric is soaped, and then thoroughly washed by deionized water, and dried, so that a pretreated fabric is obtained; the method for soaping the knitted fabric comprises the steps of placing the knitted fabric in soap solution with the temperature of 40 ℃ and the detergent concentration of 0.2% according to the bath ratio of 1:30, stirring and cleaning for 20min;
step S2, dip-coating antibacterial sol on the surface of the pretreated fabric;
Step S3, rolling the dip-coated pretreated fabric on a padder for 3min under the pressure of 2kg/cm 2, removing redundant gel, and drying to obtain the silver ion antibacterial fabric, wherein the drying heat treatment temperature is 125 ℃ and the heat treatment time is 25min;
The antibacterial sol is prepared by slowly adding silver nitrate aqueous solution into a mixed solution, continuously stirring until a solution system is sol-like, and placing the sol into a drying oven at 65-75 ℃ for concentration for 10 hours to obtain concentrated sol, wherein the preparation method of the mixed solution comprises the following steps: according to the mass ratio of 13:10, weighing urea, dissolving the urea into absolute ethyl alcohol, uniformly stirring for 1h, slowly adding butyl titanate, gamma-trifluoropropyl methyl polysiloxane and fatty acid ester, regulating the pH to 4 by using 5wt% of dilute nitric acid, and continuously stirring for 20min to obtain a mixed solution, wherein the component ratio of the mixed solution is 50g/L of gamma-trifluoropropyl methyl polysiloxane, the fatty acid ester is 25g/L, and the butyl titanate is 100g/L.
Comparative example 4
The production method of the silver ion antibacterial fabric comprises the following steps:
S1, preparing a pretreated fabric; cotton fiber warps and wefts are adopted to form a fabric, the fabric is soaped, and then thoroughly washed by deionized water, and dried, so that a pretreated fabric is obtained; the method for soaping the knitted fabric comprises the steps of placing the knitted fabric in soap solution with the temperature of 40 ℃ and the detergent concentration of 0.2% according to the bath ratio of 1:30, stirring and cleaning for 20min;
step S2, dip-coating antibacterial sol on the surface of the pretreated fabric;
Step S3, rolling the dip-coated pretreated fabric on a padder for 3min under the pressure of 2kg/cm 2, removing redundant gel, and drying to obtain the silver ion antibacterial fabric, wherein the drying heat treatment temperature is 125 ℃ and the heat treatment time is 25min;
The antibacterial sol is prepared by slowly adding a silver nitrate aqueous solution into a mixed solution, continuously stirring until a solution system is sol-like, placing the sol in a drying oven at 65-75 ℃ for concentration for 10 hours to obtain concentrated sol, and then adding hydroxypropyl cellulose HPC into the concentrated sol for mixing, wherein the adding amount of the hydroxypropyl cellulose HPC is 5% of the weight of the concentrated sol, and the preparation method of the mixed solution comprises the following steps: weighing urea according to a mass ratio of 13:10, dissolving the urea into absolute ethyl alcohol, uniformly stirring for 1h, slowly adding butyl titanate, regulating the pH value to be 4 by using 5wt% of dilute nitric acid, and continuously stirring for 20min to obtain a mixed solution, wherein the adding amount of the butyl titanate is 175g/L.
Control group
The production method of the silver ion antibacterial fabric comprises the following steps:
S1, preparing a pretreated fabric; cotton fiber warps and wefts are adopted to form a fabric, the fabric is soaped, and then thoroughly washed by deionized water, and dried, so that a pretreated fabric is obtained; the method for soaping the knitted fabric comprises the steps of placing the knitted fabric in soap solution with the temperature of 40 ℃ and the detergent concentration of 0.2% according to the bath ratio of 1:30, stirring and cleaning for 20min;
step S2, dip-coating antibacterial sol on the surface of the pretreated fabric;
Step S3, loading the dip-coated pretreated fabric on a padder for 3min under the pressure of 2kg/cm < 2 >, rolling off superfluous gel, and drying to obtain the silver ion antibacterial fabric, wherein the drying heat treatment temperature is 125 ℃, and the heat treatment time is 25min;
The antibacterial sol is prepared by slowly adding silver nitrate aqueous solution into a mixed solution, continuously stirring until a solution system is sol-like, and placing the sol into a drying oven at 65-75 ℃ for concentration for 10 hours to obtain concentrated sol, wherein the preparation method of the mixed solution comprises the following steps: weighing urea according to a mass ratio of 13:10, dissolving the urea into absolute ethyl alcohol, uniformly stirring for 1h, slowly adding butyl titanate, regulating the pH value to be 4 by using 5wt% of dilute nitric acid, and continuously stirring for 20min to obtain a mixed solution, wherein the adding amount of the butyl titanate is 175g/L.
The performance of the silver ion antibacterial fabrics obtained by the production methods of examples 1-5, comparative examples 1-4 and control group is detected, and the detection index content comprises: (1) Softness and smoothness are detected, softness and smoothness are detected on the produced silver ion antibacterial fabrics respectively, a 5-person scoring method is adopted to subjectively score each group of silver ion antibacterial fabrics by touching, an average value is taken, the higher the score is, the better the softness of the fabrics is, and the lower the score is, the worse the softness of fabrics is; (2) The glossiness detection is carried out on the finished fabrics respectively, a 5-person grading method is adopted to subjectively grade the whole knitted fabric, the lower the glossiness level is, the worse the glossiness of the fabrics is, and the higher the glossiness level is, the better the glossiness of the fabrics is; (3) The water repellency properties were measured according to the method of GB/T4745-1997 test for moisture resistance of textile surfaces, the test results are shown in the following table:
the following conclusions are drawn by integrating the experimental data:
as can be seen from examples 1-5, comparative examples 1-4 and the control group, the softness score of the fabric in examples 1-5 is more than 90 and the smoothness score is more than 80, so that the silver ion antibacterial fabric obtained in examples 1-5 is excellent in softness and smoothness, and the fabric in example 4 is optimal in smoothness and softness, and compared with comparative example 4, the addition of the fatty acid ester and the gamma-trifluoropropyl methyl polysiloxane can have a certain improving effect on the softness and smoothness of the fabric, and compared with comparative example 2, the addition of the fatty acid ester and the gamma-trifluoropropyl methyl polysiloxane in a reasonable proportion into the mixed solution can remarkably improve the overall softness and smoothness of the fabric, compared with the control group, the addition of the fatty acid ester and the gamma-trifluoropropyl methyl polysiloxane can improve the softness and smoothness of the fabric, but the waterproof performance of the fabric is reduced, and compared with example 4, the addition of the organic film forming agent into the comparative example 3 can improve the softness and the waterproof performance of the fabric, and the waterproof performance of the fabric is poor in the waterproof performance of the fabric after the fabric is treated with the fatty acid ester and the gamma-trifluoropropyl methyl polysiloxane.
The foregoing has shown and described the basic principles and main features of the present invention and the advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. A production method of silver ion antibacterial fabric is characterized in that: the method comprises the following steps:
s1, preparing a pretreated fabric; cotton fiber warps and wefts are adopted to form a fabric, the fabric is soaped, and then thoroughly washed by deionized water, and dried, so that a pretreated fabric is obtained;
Step S2, dip-coating antibacterial sol on the surface of the pretreated fabric;
step S3, rolling the dip-coated pretreated fabric on a padder at a pressure of 2kg/cm 2 to remove excessive gel, and drying to obtain the silver ion antibacterial fabric;
Slowly adding silver nitrate aqueous solution into the mixed solution, continuously stirring until the solution system is sol-like, placing the sol into a 65-75 ℃ oven, concentrating for 8-12h to obtain concentrated sol, and adding an organic film forming agent into the concentrated sol for mixing to prepare the antibacterial sol;
The preparation method of the mixed solution comprises the following steps: weighing urea according to a mass ratio of 13:10, dissolving the urea into absolute ethyl alcohol, uniformly stirring for 1-2h, slowly adding butyl titanate, gamma-trifluoropropyl methyl polysiloxane and fatty acid ester, regulating the pH to 3-4 by using 5wt% of dilute nitric acid, and continuously stirring for 20min to obtain a mixed solution;
the mixture comprises 20-50g/L of gamma-trifluoropropyl methyl polysiloxane, 5-25g/L of fatty acid ester and 100g/L of butyl titanate;
the organic film forming agent is hydroxypropyl cellulose HPC.
2. The method for producing the silver ion antibacterial fabric according to claim 1, which is characterized in that: and when the pressure of the upper roller of the padder in the step S3 is 2kg/cm 2, the load time is 3min.
3. The method for producing the silver ion antibacterial fabric according to claim 1, which is characterized in that: and in the step S3, the drying heat treatment temperature is 125 ℃, and the heat treatment time is 25min.
4. The method for producing the silver ion antibacterial fabric according to claim 1, which is characterized in that: the method for soaping the knitted fabric in the step S1 comprises the steps of placing the knitted fabric in a soap solution with the temperature of 40 ℃ and the detergent concentration of 0.2% according to the bath ratio of 1:30, and stirring and cleaning for 20min.
5. The method for producing the silver ion antibacterial fabric according to claim 1, which is characterized in that: the addition amount of the organic film forming agent is 0.5-10% of the weight of the concentrated sol.
6. A silver ion antibacterial fabric produced by the production method of any one of claims 1 to 5.
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